2.Use Patterns and Structure How do you know the sign of the quotient -(4)/(5)div (1)/(6)
2. Given the function f(x) = f(x)= ) sqrt (x+1)&if0leqslant xleqslant 3 2x^2-5&if3lt xleqslant 8 compute: f(2)= __ f(3)= __ f(4)=underline ( )
For the following exercise, solve the quadratic equation by factoring. x^2-x-20=0 x=square ,square
Multiply. (5b+7)(-2b-5) Simplify your answer. square square
Find the distance between the points (-4,-7) and (2,0) Write your answer as a whole number or a fully simplified radical expression. Do not round. square units
Add and subtract as indicated. Simplify and leave the numerator and denominator in your answer in factored form. (-x)/(x+14)+(x-14)/(x)-(x)/(x-14) Simplify the expression. (-x)/(x+14)+(x-14)/(x)-(x)/(x-14)=square
2. Find the value(s) of t: 5vert t+2vert =35
Convert the following number from scientific notation to standard notation. 7.05times 10^4 Answer How to enter your answer (opens in new window) square
24. For a walk-a-thon a sponsor committed to give you a flat fee of 5 plus 2 for every mile m you walk. a. Write an expression for the total amount you will collect from your sponsor at the end of the walk-a- thon. b. Then evaluate your expression for 20 miles walked.
John consumed a breakfast that contained 85 grams of carbohydrate, 25 grams of protein, and 18 grams of fat.How many kilocalories (kcal)did Kelly eat at breakfast? 917 492 602 1,107
Apply the distributive property to the expression. $100(0.07a+0.02b)=\square $
51. Find the volume of a pyramid with a square base, where the perimeter of the base is 15.8 ft and the height of the pyramid is 20.4 ft. Round your answer to the nearest tenth of a cubic foot.
4) $v^{1}=$ A) 0 B) 1 OC) v OD) $1/v$
What is the range of the function graphed above? $-\infty \lt y\leqslant 2$ $-\frac {3}{2}\leqslant y\lt \infty $ $-\infty \lt y\lt \infty $ $\{ 2\} $
2. You are inscribing a regular pentagon in a cIrcle. You need to know the angle measure between the vertices. You divide $360^{\circ }$ by what number? 3 s 6
Which equation represents a line that has a slope of $-\frac {1}{2}$ and passes through point $(4,-5)$ $y=-\frac {1}{2}x+\frac {3}{2}$ $y=-\frac {1}{2}x+\frac {13}{2}$ $y=-\frac {1}{2}x-7$ $y=-\frac {1}{2}x-3$
Smartphones: A poll agency reports that $38\% $ of teenagers aged $12-17$ own smartphones. A random sample of 120 teenagers is drawn. Round your answers to at least four decimal places as needed Part: 0/6 Part 1 of 6 (a) Find the mean $\mu _{\hat {p}}$ The mean $\mu _{\hat {p}}$ is 45.6000 Part: 1/6 Part 2 of 6 (b) Find the standard deviation $\sigma _{\hat {p}}$ The standard deviation $\sigma _{\hat {p}}$ is $\square $
1. If $x+3=7$ then x equals: A. 3 B. 4 C. 5 D. 10
Find the angle $\beta $ between $0^{\circ }$ and $180^{\circ }$ that satisfies the following equation. $21^{2}=20^{2}+29^{2}-(2)(20)(29)cos\beta $ $\beta \approx \square ^{\circ }$ (Round to one decimal place as needed.)
Solve the equation given by completing the square. $5x^{2}+20x-25=0$ [Hint: Divide by 5 first] $x=\square $
